资源描述:
《计及风速时空相关性的含风电场电力系统动态随机最优潮流计算_孙国强》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、计及风速时空相关性的含风电场电力系统动态随机最优潮流计算_孙国强第35卷第17期43082015年9月5日中国电机工程学报ProceedingsoftheCSEEVol.35No.17Sep.5,2015?2015Chin.Soc.forElec.Eng.(2015)17-4308-10中图分类号:TM76DOI:10.13334/j.0258-8013.pcsee.2015.17.004文章编号:0258-8013计及风速时空相关性的含风电场电力系统动态随机最优潮流计算孙国强1,李逸驰1,向育鹏1,杨义2,
2、黄文进2,卫志农1,孙永辉1(1.可再生能源发电技术教育部工程研究中心(河海大学),江苏省南京市210098;2.盐城供电公司,江苏省盐城市224005)DynamicStochasticOptimalPowerFlowofWindIntegratedPowerSystemConsideringTemporalandSpatialCorrelationofWindSpeedSUNGuoqiang1,LIYichi1,XIANGYupeng1,YANGYi2,HUANGWenjin2,WEIZhinong1,S
3、UNYonghui1(1.ResearchCenterforRenewableEnergyGenerationEngineering,———————————————————————————————————————————————MinistryofEducation,HohaiUniversity,Nanjing210098,JiangsuProvince,China;2.YanchengPowerSupplyCompany,Yancheng224005,JiangsuProvince,China)ABSTR
4、ACT:Large-scalewindpowerintegratesintopowergrid.Thefluctuantandintermittentnatureofwindspeedgreatlychallengestheconventionaldynamicoptimalpowerflow.Consideringrandomnessaswellastemporalandspatialcorrelationofwindspeed,adynamicstochasticoptimalpowerflowmodel
5、ofwindintegratedpowersystembasedonchanceconstrainedprogrammingwasbuilt.Basedonprimal-dualdecomposedinteriorpointmethod,anoptimaldispatchingwasgotthroughthedeterministicoptimalpowerflow.Thedynamicprobabilisticpowerflowbasedoncumulantmethodconsideringcorrelat
6、ionwasusedtocalculateprobabilitydistributionsofstatevariables.Newupperandlowerboundstothecorrespondingvariableswereformedifchanceconstraintswereviolated.Theiterationterminateduntilafinaloptimaldispatchingwasfoundwithallthechanceconstraintssatisfied.Thepreci
7、sionandefficiencyofthealgorithmisverifiedthroughthestimulationofmodifiedIEEE14-bussystem.Onsuchbasis,theimpactsofrandombranchoutagesandwindspeedcorrelationonpowersystemoperationcharacteristicareinvestigated.KEYWORDS:temporalandspatialcorrelation;dynamicstoc
8、hastic———————————————————————————————————————————————optimalpowerflow;autoregressivemovingaverage(ARMA);chanceconstrainedprogramming;cumulant;primal-dualdecomposedinteriorpointmethod摘要:大规模风电场并网,其波动性和间歇